<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div id="app">
        <damu></damu>
    </div>
</body>
<script src="./js/vue.js"></script>
<script>
    var vm = new Vue({
        el:"#app",
        components:{
            damu:{
                template:"<span>damu</span>"
            }
        }
    })
</script>
</html>